Unscrambling a Secret Message

Free - no account required

Created for Years 5-6, 7-8

Duration: 1 hour

Can you unscramble the hidden message?

Unscramble a hidden message by figuring out missing letters in common words. This activity uses a a substitution cipher, and students can go on to create their own hidden messages. Substitution ciphers are an example of encryption, which is used when data needs to be sent securely.


Linked Resources

Cryptography: Cipher Wheels

Learn the basics of encryption through simple activities that convert plain text into simple ciphertexts.

Data encryption

Learn how data is protected using encryption.